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What should we pay attention to when purchasing Roots blower

Min.Order Quantity: 1 Set/Sets What should we pay attention to when purchasing Roots blower

Supply Ability: 400~700 Set/Sets per Month What should we pay attention to when purchasing Roots blower

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Mastering the skills of selecting fans can not only improve the efficiency of selection, but also maintain the quality of fans, and targeted selection, but also have a better effect on ventilation and ventilation of places. In order to make fans play a better role, we need to know what kind of places need to choose which type of fans, so as to make fans work better.
Some high-end places, such as hotels, bars, clubs and so on, if these places use ordinary fans, although they are still effective in ventilation and ventilation, but those noise and vibration can not appear in such places, otherwise it will not only reduce the quality of the place, but also make customers very upset. For the ventilation of small rooms, make the ventilation duct connected to the central ventilation duct. Room, you can choose FZY series of small axial-flow fans on the basis of both appearance and cause. This kind of fans is small in volume, usually plastic or aluminium appearance, with low noise and high air volume. This type of fans is very effective in these high-grade places.
In these places of warehouse, the requirement of noise is relatively low, but the requirement of ventilation and ventilation effect is very high. Because some grain and goods are stored in the warehouse, the requirement of ventilation and ventilation is relatively high. Roof fan or environment-friendly centrifugal fan can be selected. If the warehouse has the requirement for the air volume, try to choose as much as possible. The most commonly used axial fan SF or exhaust fan FA.
Some large-scale hotel kitchens also need to use ventilators to achieve the effect of heat dissipation and ventilation. Fruit kitchens have a large amount of smoke, and the smoke has to go through a long pipeline, coupled with the bending of the pipeline in the kitchen, so we must choose to use centrifugal fans, the use effect is very good, and the other negative impact on the environment is relatively small.

 

Model

rpm

r/min

Theoretical Capacity

m3/min

Inlet Flow Qs (m3/min),Shaft Power La (kW) and Motor Power Po (kW)

Motor Pole

 

 

 

9.8kPa

19.6kPa

29.4kPa

39.2kPa

49kPa

58.8kPa

68.6kPa

78.4kPa

88.2kPa

98kPa

 

 

n

Qth

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

Qs

La

Po

 

 

 

ZG-50

1450

1.68

1.12

0.6

1.1

0.89

0.9

1.1

0.71

1.1

1.5

0.56

1.4

2.2

0.43

1.7

2.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

2000

2.32

1.76

0.7

1.1

1.53

1.1

1.5

1.35

1.5

2.2

1.20

1.9

2.2

1.06

2.2

3

0.94

2.6

3

0.83

3.0

4

 

 

 

 

 

 

 

 

 

4

 

2500

2.9

2.34

0.9

1.1

2.11

1.4

2.2

1.93

1.9

2.2

1.78

2.3

3

1.64

2.8

4

1.52

3.3

4

1.41

3.8

5.5

1.31

4.2

5.5

 

 

 

 

 

 

2

 

3000

3.48

2.92

1.2

1.5

2.69

1.7

2.2

2.51

2.3

3

2.36

2.9

4

2.22

3.4

4

2.10

4.0

5.5

1.99

4.6

5.5

1.89

5.2

7.5

1.79

5.7

7.5

 

 

 

2

 

3500

4.06

3.50

1.5

2.2

3.27

2.1

3

3.09

2.8

4

2.94

3.5

4

2.80

4.1

5.5

2.68

4.8

5.5

2.57

5.4

7.5

2.47

6.1

7.5

2.37

6.8

7.5

2.28

7.4

11

2

 

4000

4.64

4.08

1.8

2.2

3.85

2.5

3

3.67

3.3

4

3.52

4.0

5.5

3.38

4.8

5.5

3.26

5.6

7.5

3.15

6.3

7.5

3.05

7.1

11

2.95

7.8

11

2.86

8.6

11

2

 

4500

5.22

4.66

2.1

3

4.43

2.9

4

4.25

3.8

5.5

4.10

4.6

5.5

3.96

5.5

7.5

3.84

6.3

7.5

3.73

7.2

11

3.63

8.0

11

3.53

8.9

11

3.44

9.7

11

2

 

5000

5.8

5.24

2.3

3

5.01

3.2

4

4.83

4.1

5.5

4.68

5.1

7.5

4.54

6.0

7.5

4.42

7.0

11

4.31

7.9

11

4.21

8.9

11

4.11

9.8

11

4.02

10.8

15

2

 

 

ZG-65

1450

2.83

2.04

0.8

1.1

1.71

1.2

1.5

1.46

1.7

2.2

1.25

2.2

3

1.06

2.6

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

2000

3.9

3.11

1.0

1.1

2.79

1.6

2.2

2.53

2.3

3

2.32

2.9

4

2.13

3.5

4

1.97

4.2

5.5

1.81

4.8

5.5

 

 

 

 

 

 

 

 

 

4

 

2500

4.8

4.09

1.4

1.5

3.76

2.1

3

3.51

2.9

4

3.30

3.7

5.5

3.11

4.5

5.5

2.94

5.3

7.5

2.79

6.1

7.5

2.64

6.9

11

2.50

7.7

11

 

 

 

2

 

3000

5.85

5.06

1.7

2.2

4.74

2.6

3

4.48

3.6

4

4.27

4.5

5.5

4.09

5.5

7.5

3.92

6.4

7.5

3.76

7.4

11

3.62

8.4

11

3.48

9.3

11

3.35

10.3

15

2

 

3500

6.83

6.04

2.2

3

5.71

3.3

4

5.46

4.4

5.5

5.25

5.5

7.5

5.06

6.6

7.5

4.89

7.7

11

4.74

8.9

11

4.59

10.0

11

4.45

11.1

15

4.32

12.2

15

2

 

4000

7.8

7.01

2.4

3

6.69

3.7

5.5

6.44

5.0

5.5

6.22

6.3

7.5

6.04

7.5

11

5.87

8.8

11

5.71

10.1

11

5.57

11.4

15

5.43

12.6

15

5.30

13.9

18.5

2

 

4500

8.78

7.99

3.1

4

7.66

4.5

5.5

7.41

6.0

7.5

7.20

7.4

11

7.01

8.8

11

6.84

10.3

15

6.69

11.7

15

6.54

13.1

15

6.40

14.6

18.5

6.28

16.0

18.5

2

 

5000

9.75

8.96

3.6

4

8.64

5.2

7.5

8.39

6.8

7.5

8.17

8.4

11

7.99

10.0

11

7.82

11.6

15

7.66

13.2

15

7.52

14.8

18.5

7.38

16.4

18.5

7.25

18.0

22

2

 

 

ZG-80

2000

7.27

6.01

1.9

2.2

5.51

3.1

4

5.16

4.3

5.5

4.88

5.4

7.5

4.65

6.6

7.5

4.46

7.8

11

4.30

9.0

11

4.16

10.2

15

 

 

 

 

 

 

4

 

2300

8.37

7.12

2.4

3

6.63

3.7

5.5

6.28

5.1

7.5

6.01

6.5

7.5

5.78

7.8

11

5.59

9.2

11

5.43

10.5

15

5.29

11.9

15

5.17

13.3

15

 

 

 

2

 

2500

9.09

7.86

2.8

4

7.38

4.3

5.5

7.04

5.7

7.5

6.76

7.2

11

6.53

8.7

11

6.34

10.2

15

6.18

11.7

15

6.04

13.1

15

5.93

14.6

18.5

5.83

16.1

18.5

2

 

2800

10.1

8.98

3.3

4

8.50

4.9

5.5

8.16

6.6

7.5

7.89

8.2

11

7.67

9.9

11

7.48

11.6

15

7.31

13.2

15

7.18

14.9

18.5

7.06

16.5

18.5

6.95

18.2

22

2

 

3000

10.9

9.72

3.8

5.5

9.25

5.6

7.5

8.91

7.3

11

8.64

9.1

11

8.42

10.9

15

8.23

12.7

15

8.07

14.4

18.5

7.93

16.2

18.5

7.81

18.0

22

7.71

19.8

22

2

 

3300

12.0

10.8

4.5

5.5

10.4

6.4

7.5

10.0

8.4

11

9.77

10.3

15

9.55

12.3

15

9.36

14.2

18.5

9.20

16.2

18.5

9.06

18.1

22

8.94

20.1

22

8.83

22.0

30

2

 

3500

12.7

11.5

5.2

7.5

11.1

7.2

11

10.7

9.3

11

10.5

11.4

15

10.3

13.5

15

10.1

15.5

18.5

9.95

17.6

22

9.81

19.7

22

9.69

21.8

30

9.59

23.8

30

2

 

3800

13.8

12.7

6.0

7.5

12.2

8.2

11

11.9

10.5

15

11.6

12.7

15

11.4

15.0

18.5

11.2

17.2

22

11.1

19.5

22

10.9

21.7

30

10.8

24.0

30

10.7

26.2

30

2

 

4000

14.5

13.4

6.4

7.5

13.0

8.7

11

12.7

11.1

15

12.4

13.5

15

12.1

15.8

18.5

12.0

18.2

22

11.8

20.6

30

11.7

23.0

30

11.6

25.3

30

11.5

27.7

37

2

 

 

ZG-100

2000

10.9

9.13

2.6

3

8.43

4.4

5.5

7.92

6.1

7.5

7.51

7.9

11

7.17

9.7

11

6.88

11.5

15

6.63

13.2

15

6.42

15.0

18.5

6.23

16.8

18.5

 

 

 

4

 

2300

12.5

10.8

3.1

4

10.1

5.2

7.5

9.61

7.2

11

9.21

9.3

11

8.87

11.3

15

8.59

13.4

15

8.34

15.4

18.5

8.13

17.4

22

7.94

19.5

22

 

 

 

2

 

2500

13.6

11.9

3.7

5.5

11.2

5.9

7.5

10.7

8.2

11

10.3

10.4

15

10.0

12.6

15

9.73

14.8

18.5

9.48

17.0

22

9.26

19.3

22

9.08

21.5

30

8.91

23.7

30

2

 

2800

15.3

13.6

4.4

5.5

12.9

6.9

11

12.4

9.4

11

12.0

11.8

15

11.7

14.3

18.5

11.4

16.8

18.5

11.2

19.3

22

11.0

21.8

30

10.8

24.3

30

10.6

26.8

30

2

 

3000

16.4

14.7

5.1

7.5

14.1

7.7

11

13.6

10.4

15

13.2

13.1

15

12.8

15.7

18.5

12.6

18.4

22

12.3

21.0

30

12.1

23.7

30

11.9

26.4

30

11.7

29.0

37

2

 

3300

18.0

16.4

6.3

7.5

15.7

9.3

11

15.3

12.2

15

14.9

15.1

18.5

14.6

18.1

22

14.3

21.0

30

14.0

23.9

30

13.8

26.8

30

13.6

29.8

37

13.5

32.7

37

2

 

3500

19.1

17.5

7.3

11

16.9

10.4

15

16.4

13.5

15

16.0

16.6

18.5

15.7

19.7

22

15.4

22.8

30

15.2

26.0

30

14.9

29.1

37

14.8

32.2

37

14.6

35.3

45

2

 

3800

20.7

19.2

8.6

11

18.5

12.0

15

18.1

15.3

18.5

17.7

18.7

22

17.4

22.1

30

17.1

25.4

30

16.9

28.8

37

16.7

32.2

37

16.5

35.6

45

16.3

38.9

45

2

 

4000

21.8

20.3

9.6

11

19.7

13.1

15

19.2

16.7

18.5

18.8

20.2

22

18.5

23.8

30

18.3

27.3

30

18.0

30.9

37

17.8

34.4

37

17.6

38.0

45

17.4

41.5

45

2


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